Move dropping database into separate method

Author: paulbalandan

tests/system/Commands/CreateDatabaseTest.php

@@ -38,7 +38,24 @@ protected function setUp(): void
         $this->connection   = Database::connect();
 
         parent::setUp();
+        $this->dropDatabase();
+    }
+
+    protected function tearDown(): void
+    {
+        stream_filter_remove($this->streamFilter);
+
+        parent::tearDown();
+        $this->dropDatabase();
+    }
+
+    protected function getBuffer()
+    {
+        return CITestStreamFilter::$buffer;
+    }
 
+    private function dropDatabase(): void
+    {
         if ($this->connection instanceof SQLite3Connection) {
             $file = WRITEPATH . 'foobar.db';
             if (is_file($file)) {
@@ -53,18 +70,6 @@ protected function setUp(): void
         }
     }
 
-    protected function tearDown(): void
-    {
-        stream_filter_remove($this->streamFilter);
-
-        parent::tearDown();
-    }
-
-    protected function getBuffer()
-    {
-        return CITestStreamFilter::$buffer;
-    }
-
     public function testCreateDatabase()
     {
         if ($this->connection instanceof OCI8Connection) {